A method for detecting a component including a concealed pattern includes: detecting infrared electromagnetic radiation reflected or emitted by a component including a first pattern, the component including: a substrate; the first pattern disposed over at least a portion of the substrate; an optional primer layer disposed between at least a portion of the substrate and at least a portion of the first pattern; and a first visibly opaque layer including an infrared transparent pigment, the first visibly opaque layer disposed over at least a portion of the first pattern; and comparing the reflectivity and/or absorbance of infrared electromagnetic radiation by the first pattern at one wavelength to the reflectivity and/or absorbance by the primer layer and/or the substrate at the same wavelength.

The present disclosure relates to substrates and methods of producing substrates thereof. The substrates have a metal substrate and a sol-gel coating disposed on the metal substrate. The sol-gel coating includes about 3 wt % to about 15 wt % by volume of an organic corrosion inhibitor to the sol-gel. The sol-gel includes surfactant and a reaction product of an epoxy-containing organosilane, a metal alkoxide, and an acid.

The present disclosure relates to a systems and methods for a coated substrate having a metal substrate and a sol-gel coating disposed on the metal substrate. The sol-gel includes a corrosion inhibitor, a surfactant and a reaction product of an epoxy-containing organosilane, a metal alkoxide, and an acid. The coated substrate includes an organic primer coating having an organic primer having a plurality of metal particles.

One variation of a method includes: capturing a first image depicting a target surface; accessing a toolpath including a set of keypoints for execution by the spray system; navigating the set of spray nozzles across a first segment of the target surface; applying paint onto the first segment of the target surface; capturing a second image depicting paint applied onto the first segment of the target surface; navigating the set of spray nozzles across a second segment of the target surface; applying paint onto the second segment of the target surface; capturing a third image depicting paint applied onto the second segment of the target surface; and aggregating the first image, the second image, and the third image into a paint map representing application of paint onto the first segment and the second segment of the target surface.

A method for detecting a component including a concealed pattern includes: detecting infrared electromagnetic radiation reflected or emitted by a component including a first pattern, the component including: a substrate; the first pattern disposed over at least a portion of the substrate; an optional primer layer disposed between at least a portion of the substrate and at least a portion of the first pattern; and a first visibly opaque layer including an infrared transparent pigment, the first visibly opaque layer disposed over at least a portion of the first pattern; and comparing the reflectivity and/or absorbance of infrared electromagnetic radiation by the first pattern at one wavelength to the reflectivity and/or absorbance by the primer layer and/or the substrate at the same wavelength.

A coating composition includes: (i) a film-forming resin; (ii) an infrared reflective pigment; and (iii) an infrared fluorescent pigment different from the infrared reflective pigment. When the coating composition is cured to form a coating and exposed to radiation comprising fluorescence-exciting radiation, the coating has a greater effective solar reflectance (ESR) compared to the same coating exposed to the radiation comprising fluorescence-exciting radiation except without the infrared fluorescent pigment. A multi-layer coating including the coating composition, and a substrate at least partially coated with the coating composition is also disclosed. A method of reducing temperature of an article includes applying the coating composition to at least a portion of the article.

A coating composition includes: (i) a film-forming resin; (ii) an infrared reflective pigment; and (iii) an infrared fluorescent pigment or dye different from the infrared reflective pigment. A multi-layer coating including the coating composition, and a substrate at least partially coated with the coating composition is also disclosed. A method of detecting an article at least partially coated with the coating composition is also disclosed.

A method for creating a carbon nanotube heater assembly includes creating a carbon nanotube heater with varying resistances and attaching the carbon nanotube heater to both carrier and encapsulating materials. Creating the carbon nanotube heater with varying resistances is accomplished by applying a carbon nanotube mixture to a substrate, adjusting the thickness or width of the carbon nanotube mixture, and drying the nanotube mixture.

Assemblies for DNA sequencing are provided comprising: (a) a substrate in the form of a flat plate; (b) a first coating layer applied to at least one surface of the substrate; and (c) a second coating layer applied to at least one surface of the first coating layer. The first coating layer comprises at least one of chromium oxide, tantalum pentoxide, Ta.sub.2O.sub.3 and TaO.sub.2, and the second coating layer comprises a silane compound. Also provided are mold assemblies comprising: (a) a substrate having an interior surface and an exterior surface; and (b) a mold release component comprising: (i) a first coating layer similar to that above, applied to the interior surface of the substrate; and (ii) a second coating layer applied to the first coating layer; wherein the second coating layer comprises an organo-silicon compound comprising at least one of a trihalosilane, a tetrahalosilane, an organosilane, and polymers thereof.

The invention relates to a metallized multilayer sheet material for packaging having a water vapour transmission rate of below 5 g/m.sup.2/day at 38° C. RH:90% comprising:

a water vapour permeable sheet substrate, and

at least two metallized layers, each covered directly by a solvent based polymeric coating layer,

wherein the cumulated metallized layers have an optical density of at least 2.5 and/or a thickness of at least 15 nm.